Panasonic MINAS A6 Series - Page 417

7-7
1
Before Using the Products
2
Preparat on
3
Connect on
4
Setup
5
Ad ustment
6
When n Troub e
7
Supp ement
1. Safety function
Timing Chart
Return timing from safety state
*1. Photocouplers for safety input 1 and 2 should be turned on again with servo-on input
turned off.
Returning photocouplers for safety inputs 1 and 2 to ON will automatically reset it to
Servo Off mode. There is no need to conduct alarm-clear.
*2. This is an STO state and the dynamic brake operates according to Pr5.10 “Sequence
at alarm.”
*3. This is normal servo-off condition and the dynamic brake operates according to
Pr5.06 “Sequence at servo-off.”
Photocoupler OFF
(Servo-off command)
Photocoupler ON
(Servo-on command)
Photocoupler OFF
(Not ready)
Photocoupler ON
(Ready)
Photocoupler OFF (Brake action)
Photocoupler ONPhotocoupler OFF
Photocoupler ON Photocoupler OFF
Non-energized flow
Servo-ON input
(SRV-ON)
*1
Safety input
1
Safety input 2
Motor energization
EDM
output
Dynamic brake
*4
Servo-Ready output
(S-RDY)
Brake release output
(BRK-OFF)
Max 6 ms
Approx 2 ms
16 ms or more
Action
*2
Release
*3
Once the servo
on command is
input, the
operation
proceeds in
synchronous with
normal servo
on/off timing.
(Refer to P.2-41
“Timing Chart”)
STO state
Servo Off state
• P.2-2 “Conformance to international standards” • P.2-74 “How to Use the Front Panel”
• P.3-33 “Inputs and outputs on connector X4”
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